CN213955615U - Enthalpy-increasing piping and air conditioning system - Google Patents
Enthalpy-increasing piping and air conditioning system Download PDFInfo
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- CN213955615U CN213955615U CN202022988088.6U CN202022988088U CN213955615U CN 213955615 U CN213955615 U CN 213955615U CN 202022988088 U CN202022988088 U CN 202022988088U CN 213955615 U CN213955615 U CN 213955615U
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Abstract
The utility model relates to a household electrical appliances technical field discloses an air conditioning system and enthalpy-increasing piping thereof, include: a first pipe body, one end of which is used for connecting with an economizer of the air conditioning system; the pipe expanding structure is internally provided with a silencing cavity, an inlet and an outlet are respectively formed in the pipe expanding structure and are positioned on two opposite sides of the silencing cavity, and the other end of the first pipe body is connected to the inlet in an adaptive mode; one end of the second pipe body is connected to the outlet of the pipe expanding structure in an adaptive mode, and the other end of the second pipe body is used for being connected with a compressor of the air conditioning system; wherein the cross-sectional area of the inlet is F1The cross-section of the outlet has an area F2The sound attenuationThe cross-sectional area of the cavity being F3Wherein F is1：F3＝1:(4～36)，F2：F31: (4-36). The utility model discloses an air conditioning system and enthalpy-increasing piping thereof can effectively alleviate the refrigerant pulsation in enthalpy-increasing return circuit, plays amortization damping effect.
Description
Technical Field
The utility model relates to a household electrical appliances technical field especially relates to an increase enthalpy piping and reach air conditioning system including it.
Background
At present, the performance of a compressor plays a crucial role for an air conditioning system, and the compressor is usually arranged on an air conditioning outdoor unit, so that when the ambient temperature is low, the heating attenuation of the compressor is severe, and the working performance of the compressor is limited. Based on the above, the existing air conditioning system changes a compressor with the air supplementing and enthalpy increasing functions, and the performance of the compressor is improved by injecting extra refrigerant into the compressor; however, turbulence and vortex are easily formed in the air-supply enthalpy-increasing pipe, which causes disturbance of the air-supply enthalpy-increasing pipe and vibration of the compressor, and the noise is large.
SUMMERY OF THE UTILITY MODEL
An object of the present application is to provide an enthalpy-increasing piping capable of improving vibration and noise of a compressor in an enthalpy-increasing process of air compensation. It is another object of the present application to provide an air conditioning system including the above-described enthalpy-increasing pipe.
The purpose of the application is realized by the following technical scheme:
it is used for air conditioning system, it includes:
a first pipe body, one end of which is used for connecting with an economizer of the air conditioning system;
the pipe expanding structure is internally provided with a silencing cavity, an inlet and an outlet are respectively formed in the pipe expanding structure and are positioned on two opposite sides of the silencing cavity, and the other end of the first pipe body is connected to the inlet in an adaptive mode; and
one end of the second pipe body is connected to the outlet of the pipe expanding structure in an adaptive mode, and the other end of the second pipe body is used for being connected with a compressor of the air conditioning system;
wherein the cross-sectional area of the inlet is F1The cross-section of the outlet has an area F2The area of the cross section of the silencing cavity is F3Wherein F is1：F3＝1:(4～36)，F2：F3＝1：(4～36)。
In some embodiments of the present application, the muffling chamber is cylindrical, and the inlet and the outlet are respectively opened at two end faces of the muffling chamber.
In some embodiments of the present application, the muffling chamber is cylindrical, the inner diameter of the muffling chamber is phi, the length of the muffling chamber is L, where phi: l is 1: (3-6).
In some embodiments of the present application, the inner diameters of the inlet and the outlet are both 10 mm to 20 mm, and the inner diameter of the sound-attenuating cavity is 20 mm to 120 mm.
In some embodiments of the present application, the length of the sound-attenuating cavity is 70 mm to 500 mm.
In some embodiments of the present application, the entire pipe expanding structure is cylindrical.
In some embodiments of this application, the entrance reaches the exit all is equipped with the installation department that extends to the outside, first body reaches the second body is inserted respectively or is located one of them the installation department.
An air conditioning system, comprising:
a compressor;
an economizer; and
the enthalpy-increasing pipe according to any one of the above, connected between the compressor and the economizer, wherein the first pipe is connected to the economizer, and the second pipe is connected to the compressor.
In some embodiments of the present application, a length of the second pipe body is less than or equal to 300 mm.
In some embodiments of the present application, the second tube comprises one or more bends.
The utility model provides an increase enthalpy piping and include its air conditioning system, it is including the first body that connects gradually, expand tubular construction and second body, first body is used for connecting the economic ware, the second body is used for connecting the compressor, entry and export have been seted up respectively to the both sides that expand tubular construction is relative, entry and export are connected respectively to first body and second body, through the entry, the form optimization expand tubular construction of export opposition, and the cross sectional area in amortization chamber is 4 ~ 36 times of the cross sectional area of body, through optimizing expansion ratio promptly, can effectively alleviate the refrigerant pulsation in increase enthalpy return circuit, guarantee to obtain good damping and noise cancelling effect.
Drawings
The present application is described in further detail below in connection with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present application. Furthermore, unless specifically stated otherwise, the drawings are intended to be conceptual in nature or configuration of the described objects and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an air conditioning system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the enthalpy increasing piping associated with the compressor in the air conditioning system of FIG. 1;
FIG. 3 is a schematic structural view of an expander structure of the enthalpy-increasing pipe in FIG. 2;
FIG. 4 is a noise test result of the air conditioning system of FIG. 1 and a prior art air conditioning system;
fig. 5 is a vibration test result of the air conditioning system of fig. 1 and a prior art air conditioning system.
In the figure, 100 is an enthalpy increasing pipe; 1. a first pipe body; 2. a pipe expanding structure; 21. a sound-deadening chamber; 22. an inlet; 23. an outlet; 24. an installation part; 3. a second tube body;
200. a compressor; a. an enthalpy increasing port; b. an air suction port; c. an exhaust port; 300. an economizer; 400. a condenser; 500. a throttling device; 600. an evaporator; 700. a branch pipe; 800. a restrictor;
phi-the inner diameter of the muffling chamber; l-the length of the muffling chamber; d-fulcrum.
Detailed Description
Hereinafter, preferred embodiments of the present application will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the descriptions are illustrative only, exemplary, and should not be construed as limiting the scope of the application.
First, it should be noted that the orientations of top, bottom, upward, downward, and the like referred to herein are defined with respect to the orientation in the respective drawings, are relative concepts, and thus can be changed according to different positions and different practical states in which they are located. These and other orientations, therefore, should not be used in a limiting sense.
It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.
Furthermore, it should be further noted that any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the figures, can still be combined between these technical features (or their equivalents) to obtain other embodiments of the present application not directly mentioned herein.
It will be further understood that the terms "first," "second," and the like, are used herein to describe various information and should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application.
It should be noted that in different drawings, the same reference numerals indicate the same or substantially the same components.
The embodiment of the present application provides an air conditioning system, specifically refer to fig. 1, which includes a compressor 200, a condenser 400, a throttling device 500, an evaporator 600, and the like, which are sequentially connected, the condenser 400 is connected to an exhaust port c of the compressor 200, the evaporator 600 is connected to an intake port b of the compressor 200, the compressor 200 compresses a low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant, and sends the high-temperature high-pressure gaseous refrigerant into the condenser 400, the condenser 400 transfers heat to a cooling medium, and then the high-temperature high-pressure gaseous refrigerant is cooled and condensed into a liquid refrigerant, the condensed liquid refrigerant passes through the throttling device 500, the throttling device 500 gasifies a liquid separating body at the reduced pressure to form a two-phase mixture, the two-phase refrigerant enters the evaporator 600 to be evaporated, absorbs heat from an object to be cooled, and achieves a refrigeration effect. In addition, the air conditioning system in this embodiment has a function of air supply and enthalpy increase, the air conditioning system further includes an economizer 300, the economizer 300 is connected between the condenser 400 and the throttling device 500, a pipeline connecting the economizer 300 and the throttling device 500 is provided with a fulcrum d, a branch pipe 700 is connected between the fulcrum d and the economizer 300, the branch pipe 700 is connected with the economizer 800, the compressor 200 is provided with an enthalpy increase port a, and the economizer 300 and the enthalpy increase port a are connected through an enthalpy increase pipe 100; the liquid refrigerant enters the economizer 300 and then is divided into two parts, wherein most of the refrigerant flows to the throttling device 500 after passing through the economizer 300, the other small part of the refrigerant is throttled and depressurized by the throttling device 800 to become a gas-liquid two-phase state, then enters the economizer 300 to absorb heat, and finally flows back to the compressor 200 through the enthalpy-increasing piping 100 and the enthalpy-increasing port in sequence, so that the gas and the enthalpy of the compressor 200 are increased.
Specifically, with further reference to fig. 1-3, the enhanced enthalpy piping 100 includes: a first pipe body 1, a pipe expanding structure 2 and a second pipe body 3; one end of the first pipe body 1 is connected with the economizer 300; the expansion pipe structure 2 is internally provided with a silencing cavity 21, the expansion pipe structure 2 is provided with an inlet 22 and an outlet 23 at two opposite sides of the silencing cavity 21 respectively, the other end of the first pipe body 1 is connected to the inlet 22 in an adaptive manner, one end of the second pipe body 3 is connected to the outlet 23 of the expansion pipe structure 2 in an adaptive manner, and the other end of the second pipe body 3 is connected with an enthalpy-increasing port a of the compressor 200; wherein the cross-sectional area of the inlet 22 is F1The cross-sectional area of the outlet 23 is F2The area of the cross section of the sound-deadening chamber 21 is F3Wherein F is1：F3＝1：(4～36)，F2：F3＝1：(4～36)。
Based on the technical scheme, the pipe expanding structure 2 is arranged in the enthalpy-increasing piping 100, after fluid entering from the inlet 22 passes through the sound-absorbing cavity 21, the cross section is enlarged, the flow speed and the pressure of a refrigerant are reduced, and only the fluid which is equivalent to the cross section of the outlet 23 and is subjected to speed reduction and pressure reduction flows out of the outlet 23 side, so that the impact on a pipe body can be reduced, and the effects of sound absorption and vibration reduction are achieved; in addition, because the cross section area from the sound deadening chamber 21 to the outlet 23 is reduced, and the inlet 22 and the outlet 23 are oppositely arranged, a counter-jet fluid is generated at the moment and has a counteracting effect with the fluid at the inlet 22, and the pulsating pressure and the flow speed of the fluid can be further eliminated; furthermore, in the present embodiment, by optimizing the specific dimensions of the muffling chamber 21, the inlet 22 and the outlet 23 thereof, the ratio of the cross-sectional area of the inlet 22 and the outlet 23 to the cross-sectional area of the muffling chamber 21 is in the range of 1: (4-36), the expansion ratio is optimized, and a good noise reduction and vibration reduction effect can be achieved.
Preferably, F1：F3＝1：(10～20)，F2：F3＝1：(10～20)。
Further, also for optimizing the sound-deadening and vibration-damping effects, the sound-deadening chamber 21 in the present embodiment is cylindrical, and the inlet 22 and the outlet 23 are opened on both end surfaces of the sound-deadening chamber 21, respectively.
Based on this, in the present embodiment, the inner diameter of the muffling cavity 21 is Φ, and the length of the muffling cavity 21 is L, where Φ: l is 1: (3-6).
Preferably, the inner diameters of the inlet 22 and the outlet 23 of the pipe expansion structure 2 are both 10 mm to 20 mm, the inner diameter of the sound-deadening cavity 21 is 20 mm to 120 mm, and the entire length of the sound-deadening cavity 21 is 70 mm to 500 mm, and by appropriately setting the inner diameters of the respective pipes in the enthalpy increasing pipe 100 and the pipe expansion structure 2 and the length of the sound-deadening cavity 21, it is possible to further ensure sound and vibration reduction.
Illustratively, the inner diameters of the first pipe body 1 and the second pipe body 3 are both 16 mm, the diameter of the sound attenuation cavity 21 is 54 mm, and the length of the sound attenuation cavity 21 is 250 mm.
In order to facilitate the formation of the tube expanding structure 2 in this embodiment, the tube expanding structure 2 is cylindrical as a whole.
In addition, in order to facilitate installation of the pipe bodies, ensure installation strength between the pipe bodies and the pipe expanding structure 2, and ensure noise reduction and vibration reduction functions, the inlet 22 and the outlet 23 of the pipe expanding structure 2 are both provided with installation parts 24 extending outwards, and the first pipe body 1 and the second pipe body 3 are connected with the pipe expanding structure 2 by being inserted into or sleeved on one of the installation parts 24.
In addition, the length of the second pipe 3 needs to be less than or equal to 300 mm, that is, the distance from the outlet 23 of the sound-deadening cavity 21 to the enthalpy-increasing port a of the compressor 200 needs to be within 300 mm, so that the sound-deadening and vibration-reducing effects can be ensured.
And in particular to fig. 2, in the present embodiment, the second tube 3 includes one or more bending portions, and the bending portions also play a role in sound attenuation and vibration reduction.
In the present embodiment, the following functional relationship is theoretically satisfied:
wherein f is the frequency of pressure pulsation sound, c is the fluid sound velocity, m is the expansion ratio, and Δ is the sound attenuation amount.
In addition, for the air conditioning system including the enthalpy-increasing piping 100 in this embodiment, noise and vibration thereof are tested and detected, and compared with the air conditioning system with the air-supplying enthalpy-increasing function that does not include the enthalpy-increasing piping 100 in this embodiment in the prior art, as shown in fig. 4 and 5: the noise of the air conditioning system in this embodiment can be reduced by about 3dBA, and the vibration can be reduced by 100 μm at most when the compressor 200 rotates at a low speed.
In conclusion, this application increases enthalpy piping and air conditioning system, it is including the first body that connects gradually, expand tubular construction and second body, first body is used for connecting the economic ware, the second body is used for connecting the compressor, entry and export have been seted up respectively to the relative both sides of expand tubular construction, entry and export are connected respectively to first body and second body, through going into, the form optimization expand tubular construction of export opposition, and the cross sectional area in amortization chamber is 4 ~ 36 times of the cross sectional area of body, through optimizing expansion ratio promptly, can guarantee to obtain good damping and noise cancelling effect.
This written description discloses the application with reference to the drawings, and also enables one skilled in the art to practice the application, including making and using any devices or systems, using suitable materials, and using any incorporated methods. The scope of the present application is defined by the claims and includes other examples that occur to those skilled in the art. Such other examples are to be considered within the scope of the claims as long as they include structural elements that do not differ from the literal language of the claims, or that they include equivalent structural elements with insubstantial differences from the literal language of the claims.
Claims (10)
1. An enthalpy increasing pipe for an air conditioning system, comprising:
a first pipe body, one end of which is used for connecting with an economizer of the air conditioning system;
the pipe expanding structure is internally provided with a silencing cavity, an inlet and an outlet are respectively formed in the pipe expanding structure and are positioned on two opposite sides of the silencing cavity, and the other end of the first pipe body is connected to the inlet in an adaptive mode; and
one end of the second pipe body is connected to the outlet of the pipe expanding structure in an adaptive mode, and the other end of the second pipe body is used for being connected with a compressor of the air conditioning system;
wherein the cross-sectional area of the inlet is F1The cross-section of the outlet has an area F2The area of the cross section of the silencing cavity is F3Wherein F is1：F3＝1:(4～36)，F2：F3＝1：(4～36)。
2. The enthalpy-increasing pipe according to claim 1, wherein the muffling chamber has a cylindrical shape, and the inlet and the outlet are open to both end surfaces of the muffling chamber, respectively.
3. The enthalpy-increasing pipe according to claim 2, wherein an inner diameter of the muffling chamber is Φ, and a length of the muffling chamber is L, wherein Φ: l is 1: (3-6).
4. The enthalpy-increasing pipe according to claim 2, wherein the inner diameters of the inlet and the outlet are both 10 mm to 20 mm, and the inner diameter of the sound-deadening chamber is 20 mm to 120 mm.
5. The enthalpy-increasing pipe according to claim 4, wherein a length of the muffling chamber is 70 mm to 500 mm.
6. The enthalpy-increasing pipe according to claim 2, wherein the pipe expanding structure is entirely cylindrical.
7. The enthalpy-increasing pipe according to claim 1, wherein mounting portions extending outward are provided at the inlet and the outlet, and the first pipe body and the second pipe body are respectively inserted or sleeved in one of the mounting portions.
8. An air conditioning system, comprising:
a compressor;
an economizer; and
the enthalpy-increasing pipe according to any one of claims 1 to 7, connected between the compressor and the economizer, the first pipe being connected to the economizer, and the second pipe being connected to the compressor.
9. The air conditioning system according to claim 8, wherein the length of the second duct body is equal to or less than 300 mm.
10. The air conditioning system of claim 8, wherein the second tube includes one or more bends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022988088.6U CN213955615U (en) | 2020-12-11 | 2020-12-11 | Enthalpy-increasing piping and air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988088.6U CN213955615U (en) | 2020-12-11 | 2020-12-11 | Enthalpy-increasing piping and air conditioning system |
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| CN213955615U true CN213955615U (en) | 2021-08-13 |
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